NOTE: FOR AIR PUMP FUNCTION - CONNECT "IN" PORT TO "DEFLATE" AND CONNECT "OUT" PORT TO "INFLATE"

Multifunctional - The MF159 jump starter includes 3 key integrated functions. It's a 14800 mAh portable car jump starter, up to 150 PSI air compressor, and a 220 L/min air pump. It can also be used as a power bank and LED flashlight. This 3-in-1 multi-function tool is a must-have in any road trip kit.

Ultra-Powerful Jump Starter - With a built-in 2500 A peak current, this battery jump starter can start 7.5 L gas and 5.0 L diesel engines quickly and efficiently; even with fully-dead batteries below 9 V.

Advanced Lithium Technology - This 45 C high-rate lithium battery features a unique chemical composition and structure that improves its discharge rate, stability, service life, and delivers extra-powerful jump starting.

Accurate Tire Inflator - It takes just 50 seconds to inflate leaky tires from 32 to 36 PSI with accurate readings within 1% of the exact tire pressure. The AstroAI Jump Starter with Air Compressor includes an air hose and 4 different nozzles to inflate cars, bikes, balls, kayaks, and other inflatables. For better sealing when using the air nozzles, align the valve stem, please firmly press it in and filp the small lever.

Fast Inflation & Deflation Air Mattress Pump - The AstroAI MF159 Jump Starter achieves fast inflation & deflation in minutes. It includes an air hose and 4 different nozzles to inflate or deflate air mattresses, lounges, rafts, waterbeds, boats, and other large inflatables. Its automatic shutoff design allows for supervision-free inflation and deflation, reducing exposure to noise. When you inflate, please align the hose and accessory nozzle, twist them clockwise along the threads.

2" Visible LED Display - Compared with traditional jump starters that only have analog indicators, the AstroAI Car Jump Starter's visible LED screen clearly displays all information in detail. If you get stuck on a road trip with a dead battery, you won't have to guess with indicators or anxiously wait on roadside assistance for hours. Just follow the on-screen prompts to save yourself easier and safer.